Diagnostic value of magnetic resonance parametric mapping for non-invasive assessment of liver fibrosis in patients with primary sclerosing cholangitis

Table 3 Correlation matrix for quantitative MRI parameters and clinical fibrosis scores

Variable	Hepatic native T1		Hepatic T2		Hepatic ECV
Variable	r value	P value	r value	p value	r value	p value
MRE-derived liver stiffness	0.66	< 0.001	0.41	0.021	0.69	< 0.001
FIB-4	0.21	0.276	0.13	0.501	0.46	0.011
APRI	0.20	0.284	0.18	0.352	0.49	0.005
AST/ALT ratio (de-Ritis)	0.21	0.264	0.33	0.077	0.24	0.199
Mayo score	0.37	0.048	0.41	0.026	0.51	0.004

ECV, extracellular volume fraction. MRE, Magnetic resonance elastography, FIB-4, Fibrosis-4-Score; ASL/ALT ratio (de-Ritis), De-Ritis ratio, APRI, aspartate aminotransferase to platelet ratio index

ISSN: 1471-2342